...s.Anyone who has climbed a mountain knows that the air gets "thinner" as you climb higher. As with oxygen...in can estimate how much carbon dioxide was in the air when the fossil leaf developed. From that, she can estimate the elevation at which the fossil plant ...

...ffer because they're not getting the flow of moist air off the land." While deforestation affects other kinds of animals -- ranging from mammals to insects -- the scientists focused on birds because "we know birds very well," Pimm said. "The Atlantic Coast Forest has 200 species of birds found only there...

...species that use either or both terrestriality and air breathing. Research findings include: The first d...tion at different points in the life history, with air emergence early in the life cycle and a return to water at hatching. With regard to excretory nit...

...o antibiotic-resistant bacteria from breathing the air from concentrated swine feeding facilities, accord... bacteria resistant to at least two antibiotics in air samples collected from inside a large-scale swine operation in the Mid-Atlantic region of the United...

...ad-leafed canopy that can draw moisture out of the air more efficiently. Koa forests also can help suppress the spread of fires and control flooding locally, she said. They also can store carbon-helping to stabilize the climate globally. These benefits are what Daily and others refer to as "ecosystem ser...

...d refinements of these results. Normal room air has about 21 percent oxygen. In these first studies, the effects of oxygen were examined under "ideal" conditions. That is, oxygen therapy at 70 percent was begun immediately after creating a retinal detachment. However, these ideal conditions would ...

...ow-level ozone and many other pollutants affecting air quality. For the first time, Aura will help scie...il DeCola of NASA Headquarters, Washington. "Clean air is a vital need, and air quality is not merely a local issue. Pollutants do not respect state or nat...

SAN FRANCISCO--Dry dust reacts with air pollutants to form dewy particles whose sunlight-r.... "Calcite-containing dust particles blow into the air and encounter gaseous nitric acid in polluted air from factories to form an entirely new particle of...

...bilities are affected by the lower oxygen and thin air of higher elevations. The results, which appeared this week in the Proceedings of the National Academy of Sciences (PNAS) Online Early Edition, show a clear decline in hummingbirds' lifting ability with altitude, not unlike that seen in athletes comp...

...nfluence how much carbon gets transferred from the air into belowground carbon sinks. Carbon dioxide acts...re able to measure the exchange of CO2 between the air and an ecosystem. But aerosols did not dramatically cut the amount of radiation that reached Earth'...

...ll off, decay and mercury goes back into the soil, air and, ultimately, water. According to Mae Gustin, ...vels of naturally occurring mercury, can be in the air for six to 12 months and can cross continents. "Researchers who model how mercury travels through th...

...an be a hazard, and if it burns, can contribute to air pollution. "We have been able to develop the manufacturing processes that can extract specific chemicals and make two products ethanol, which can be a fuel in automobiles, and xylitol, a sugar. "Our work shows a manufacturing process for extra...

...prayed the potentially dangerous bacteria into the air and onto surfaces in an open treatment room, with other patients nearby. "This was true even though staff correctly followed procedures for its use," added Perl. "Germs were spread when patients and staff came in close contact with each other during...

...on of the urban ecosystem on numerous fronts. From air quality to birds and bugs and plants to water quality and usage, to landscaping choices, climate, economics, zoning, pets we are considering everything that is part of the ecosystem." One of the most interesting things that has been revealed is the s...

...e abundant in the Arctic over the past 30 years as air temperatures have increased, a change that is likely to affect the grazing of caribou and the communities that rely on them for food. According to an article in the January 2005 issue of BioScience, a variety of evidence now suggests that winter bio...

... underventilation, a condition that can cause poor air quality, occupant discomfort and even illness, as ...xisting U.S. building stock with respect to indoor air quality, ventilation and occupant perceptions of environmental conditions. NIST's analysis and the o...

...earch Council (BBSRC) have not only discovered how air moves through the nose bringing you those smells b...pattern through the nasal cavity to work out where air goes when you breathe in. Tiny coloured beads circulate through the model nose to simulate airflow a...

(Date:2/9/2015)... Lintec of America recently announced an exclusive license ... macrostructures, including sheets, yarns and ribbons, developed at the ... the vast industrial resources of the global Lintec Group, ... of America is forming the Nano-Science and Technology Center ... on scaling up the manufacturing and commercialization of nano ...

(Date:2/5/2015)... Feb. 5, 2015 Marken is starting its 35 ... has launched a new marketing campaign to solidify its ... The new campaign focuses on First as ... shipments. The first headline in the series, ... priorities with its client,s priorities. Marken recognizes the need ...